/*
 * Copyright 2022 Haulmont.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.jmix.flowui.backgroundtask;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.EventListener;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.stereotype.Component;

/**
 * Configures and schedules the periodic task for cleaning up expired or inactive background tasks.
 */
@Component("flowui_BackgroundTaskWatchDogScheduleConfigurer")
public class BackgroundTaskWatchDogScheduleConfigurer {

    private TaskScheduler taskScheduler;

    private BackgroundTaskWatchDog backgroundTaskWatchDog;

    private UiBackgroundTaskProperties backgroundTaskProperties;

    public BackgroundTaskWatchDogScheduleConfigurer(@Qualifier("flowui_ThreadPoolTaskScheduler") TaskScheduler taskScheduler,
                                                    BackgroundTaskWatchDog backgroundTaskWatchDog,
                                                    UiBackgroundTaskProperties backgroundTaskProperties) {
        this.taskScheduler = taskScheduler;
        this.backgroundTaskWatchDog = backgroundTaskWatchDog;
        this.backgroundTaskProperties = backgroundTaskProperties;
    }

    @EventListener
    public void onContextRefreshedEvent(ContextRefreshedEvent event) {
        taskScheduler.scheduleWithFixedDelay(
                () -> backgroundTaskWatchDog.cleanupTasks(),
                backgroundTaskProperties.getTimeoutExpirationCheckInterval());
    }
}
